#include <stdio.h>
#include<unistd.h>
#include<string.h>
int main()
{//C接口
  printf("hello printf\n");
  fprintf(stdout,"hello fprintf\n");
  const char* fputsstr="hello fputs\n";
  fputs(fputsstr,stdout);
//系统接口
const char* writestr="hello write\n";
write(1,writestr,strlen(writestr));

//进程结束前创建子进程
fork();
return 0;
}
